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[U-Boot] lcd: align fb writing address for horizontal display offset

Message ID 1294730102-24158-1-git-send-email-Ying.Liu@freescale.com
State Accepted
Commit 8d46d5b1864aa49830c58abfdd230c7224b83459
Delegated to: Anatolij Gustschin
Headers show

Commit Message

Liu Ying Jan. 11, 2011, 7:15 a.m. UTC
CONFIG_SPLASH_SCREEN_ALIGN makes uboot support display
offset for splashimage. The framebuffer writing address
should be calculated according to different kinds of
framebuffer pixel format, i.e., bits per pixel value.

Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
---
 common/lcd.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/common/lcd.c b/common/lcd.c
index d854c21..0555ab4 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -731,7 +731,7 @@  int lcd_display_bitmap(ulong bmp_image, int x, int y)
 
 	bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
 	fb   = (uchar *) (lcd_base +
-		(y + height - 1) * lcd_line_length + x);
+		(y + height - 1) * lcd_line_length + x * bpix / 8);
 
 	switch (bmp_bpix) {
 	case 1: /* pass through */